18853425

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 38568960

約数和(自身を除く): 19715535

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 31, 45, 51, 53, 75, 85, 93, 135, 153, 155, 159, 225, 255, 265, 279, 425, 459, 465, 477, 527, 675, 765, 775, 795, 837, 901, 1275, 1325, 1395, 1431, 1581, 1643, 2295, 2325, 2385, 2635, 2703, 3825, 3975, 4185, 4505, 4743, 4929, 6975, 7155, 7905, 8109, 8215, 11475, 11925, 13175, 13515, 14229, 14787, 20925, 22525, 23715, 24327, 24645, 27931, 35775, 39525, 40545, 41075, 44361, 67575, 71145, 73935, 83793, 118575, 121635, 123225, 139655, 202725, 221805, 251379, 355725, 369675, 418965, 608175, 698275, 754137, 1109025, 1256895, 2094825, 3770685, 6284475, 18853425]

約数ペア:

[(1, 18853425), (3, 6284475), (5, 3770685), (9, 2094825), (15, 1256895), (17, 1109025), (25, 754137), (27, 698275), (31, 608175), (45, 418965), (51, 369675), (53, 355725), (75, 251379), (85, 221805), (93, 202725), (135, 139655), (153, 123225), (155, 121635), (159, 118575), (225, 83793), (255, 73935), (265, 71145), (279, 67575), (425, 44361), (459, 41075), (465, 40545), (477, 39525), (527, 35775), (675, 27931), (765, 24645), (775, 24327), (795, 23715), (837, 22525), (901, 20925), (1275, 14787), (1325, 14229), (1395, 13515), (1431, 13175), (1581, 11925), (1643, 11475), (2295, 8215), (2325, 8109), (2385, 7905), (2635, 7155), (2703, 6975), (3825, 4929), (3975, 4743), (4185, 4505)]